CN103332144B - Pure electric automobile passerby based on multi sensor combination monitors based reminding method and system - Google Patents
Pure electric automobile passerby based on multi sensor combination monitors based reminding method and system Download PDFInfo
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- CN103332144B CN103332144B CN201310242013.5A CN201310242013A CN103332144B CN 103332144 B CN103332144 B CN 103332144B CN 201310242013 A CN201310242013 A CN 201310242013A CN 103332144 B CN103332144 B CN 103332144B
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Abstract
The present invention relates to a kind of pure electric automobile passerby based on multi sensor combination and monitor based reminding method and system.The method includes that the region affecting pedestrains safety is decomposed into multiple danger classes according to the far and near design of distance automobile by (1)；(2) select multiple human bioequivalence sensor that above-mentioned multiple danger classes regions are combined monitoring；(3) to multiple Sensor monitorings to data process, it is judged that the danger classes in region residing for pedestrian；(4) each danger classes alternative sounds is carried out voice message and warning.People's spacing based on multi sensor combination monitoring recognition methods that this invention is proposed, successfully solves existing human body sensor and can only detect human body signal, it is impossible to the problem simultaneously measuring distance, it is achieved that the comprehensive monitoring to deathtrap.Additionally the present invention uses the design that alternative sounds is reported to the police, and also solves because pure electric automobile noise is less, make pedestrian be unaware of vehicle near and potential safety hazard to pedestrian.
Description
Technical field
The present invention relates to Vehicle Engineering and vehicle electric field, it is more particularly related to one passes based on more
The pure electric automobile passerby of sensor combination monitors based reminding method and system.
Background technology
Along with the whole world is increasingly becoming new-energy automobile field finally sends out the energy-conservation and enhancing of environmental consciousness, pure electric automobile
Exhibition direction, the most very payes attention to new-energy automobile industry both at home and abroad.In countries such as the U.S., Japan, France, Britain, Singapore
Electric automobile has reached a certain scale, and China " 12 " program for the development of science and technology proposes: at new-energy automobile industry, Quan Mianshi
Execute " pure electric drive " technology shifts strategy.Implement new-energy automobile scientific and technological industrialization engineering.
One advantage of pure electric automobile does not has the motor roar of common vehicle when being exactly to drive a vehicle, thus makes an uproar during its driving
Sound is little, but this advantage but satisfy the need on pedestrian cause potential danger.Such as when on road pedestrian or driver the most do not note
During meaning, or pedestrian may come from side, it is possible to causes potential danger.
For each motor corporation, performance can be placed on second, but secure context is always placed to first
, domestic and international motor corporation and expert are putting forth effort to study the safety problem of electric automobile.
But the most both human body signal can be do not detected simultaneously, its distance can be directly judged again
Sensor, often can only take into account one.
Summary of the invention
The purpose of the present invention aim to provide a kind of can monitor and can interpolate that out simultaneously pedestrian position, distance method with
System, does not has the motor roar of orthodox car because of driving solving it, make passerby be unaware of vehicle near and satisfy the need humanoid
The potential safety hazard become.
For reaching object above, present invention employs techniques below scheme.
The invention provides a kind of pure electric automobile passerby based on multi sensor combination and monitor based reminding method, including following
Step:
(1) region affecting pedestrains safety is decomposed into multiple danger classes according to the far and near design of distance automobile；
(2) select multiple human bioequivalence sensor that the multiple danger classes regions described in (1) are combined monitoring, each
Individual danger classes region at least uses a human bioequivalence sensor to be monitored；The monitoring distance of each human bioequivalence sensor
The region of the danger classes monitored with it is corresponding and is configured by the regulation of sensitivity；
(3) data obtaining the monitoring of multiple human body sensors process, it is judged that the danger etc. in region residing for pedestrian
Level；
(4) alternative sounds is used to carry out voice message and warning each danger classes.
Preferably, the multiple human bioequivalence sensors described in step (2) are placed in position the highest outside car body, and
The monitored area of each human bioequivalence sensor all becomes fan-shaped.
Preferably, the multiple human bioequivalence sensors described in step (2) are respectively arranged in the front side outside car body, left side
And right side.
Present invention also offers a kind of pure electric automobile passerby based on multi sensor combination and monitor system for prompting, including passing
Sensor monitoring modular, signal processing module, main control module, display and alarm module, communication module, manual control module, it is special
Levy and be:
Described Sensor monitoring module includes multiple human bioequivalence sensor, by regulating each human bioequivalence sensor
Sensitivity realize different monitored areas, described human bioequivalence sensor is respectively arranged position the highest outside car body
Put；Each human bioequivalence sensor in described Sensor monitoring module is all connected by the signal of telecommunication with signal processing module；
Described main control module, receives the information of the multiple human bioequivalence sensors after signal processing module processes, identifying rows
People orientation, it is judged that danger classes, and send corresponding control signal to display and alarm module；
Described display and alarm module receive the instruction of main control module, show the concrete orientation of passerby, and according to different dangerous
Grade sends alternative sounds prompting and reports to the police.
Preferably, described human bioequivalence sensor is selected from infrared sensor, pyroelectric sensor, human detection sensing
Device, human body proximity sensor, human motion sensor.
Preferably, described main control module is selected from single-chip microcomputer, DSP, PLC, ARM.
Owing to have employed above technical scheme, the present invention successfully solves existing human body sensor can only detect people
Body signal, and can not be used for measuring the problem of distance, and achieve the comprehensive monitoring to deathtrap.Additionally the present invention uses
The design that alternative sounds is reported to the police, also solves because its driving does not has the motor roar of orthodox car, makes passerby be unaware of
Vehicle near and satisfy the need people formed potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural principle that this pure electric automobile passerby based on multi sensor combination monitors based reminding method and system
Figure.
Fig. 2 is the software flow that this pure electric automobile passerby based on multi sensor combination monitors system for prompting embodiment
Figure.
Fig. 3 is the human body monitoring deathtrap that this pure electric automobile passerby based on multi sensor combination monitors based reminding method
Divide schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical solution of the present invention is described further, but the present invention is not limited to these embodiments.
Fig. 1 gives the knot that present invention pure electric automobile based on multi sensor combination passerby monitors based reminding method and system
Structure schematic diagram.
First the region affecting pedestrains safety is decomposed into many according to the far and near design of distance automobile by the method in the present invention
Individual danger classes, then selects multiple human bioequivalence sensor described multiple danger classes regions to be combined monitoring, often
One danger classes region is monitored with a human bioequivalence sensor.The monitoring distance of each human bioequivalence sensor is passed through
The setting of sensitivity is adjusted, its installation site as required depending on, can be disposed at respectively the front side outside car body, left side and
The position that right side is the highest.The data obtained multiple human body sensors by system are processed, it is judged that danger classes,
Then alternative sounds is used to carry out voice message and warning each danger classes.System in the present invention includes that sensor is supervised
Survey module, signal processing module, main control module, display and alarm module, communication module, manual control module.Wherein sensor
Monitoring modular includes multiple human bioequivalence sensor.
Fig. 3 gives the risk zontation schematic diagram that one group of sensor coordinates, and many group sensors are pure with the use of making
The deathtrap of electric automobile realizes comprehensive monitoring.
As it is shown on figure 3, this embodiment uses three human detection being arranged on pure electric vehicle left hand external top
The sensor group that sensor matches, to the left, danger classes sets three danger classes to directional bearing, and danger classes I is
10m, danger classes II is 6m, and danger classes III is 3m, is responsible for corresponding dangerous by sensor I, sensor II, sensor III respectively
The pedestrian in danger classes I region is monitored in the monitoring of hierarchical region, i.e. sensor I, and danger classes II region monitored by sensor II
Pedestrian, the pedestrian in danger classes III region monitored by sensor III.
When i.e. human body detection sensor monitors human body signal to sensor, this signal is at signal processing module i.e. signal
Delivering to main control chip after reason processing of circuit, in this embodiment, main control module used is Freescale single-chip microcomputer MC9S12XET256.
Different according to the signal that sensor is transmitted, main control module i.e. main control chip sends after corresponding judgement processes and controls
Signal gives display and alarm module, thus it is different to realize system dangerous grade, and alarm sound is different.
When only sensor I has monitored passerby, this signal is processed by Sensor monitoring module through signal processing module
After be sent to main control module i.e. main control singlechip, whether main control singlechip determines this signal by the algorithm of simple medium filtering
Be true, if the most then send corresponding control signal to display and alarm module, this display and alarm module to Che Nei driver's language
Pedestrian is had in the range of 10 meters on the left of sound alerting, alarm that goers outside vehicle is blown a whistle, corresponding alarm sound I.
When sensor II has also monitored human body signal, main control singlechip may receive from sensor I and sensing
The two paths of signals of device II, through simple median filtering algorithm, it is judged that whether the signal that sensor I and sensor II monitor is
Very, if being true, then send corresponding control signal to display and alarm module, this display and alarm module to Che Nei driver's language
Pedestrian is had in the range of 6 meters on the left of sound alerting, alarm that goers outside vehicle is blown a whistle, corresponding alarm sound II；If passing
Sensor I signal is true, and sensor II is not true, then send corresponding control signal to display and alarm module, this display and report
Alert module has pedestrian in the range of Che Nei driver's voice message notes 10 meters of left side, alarm of blowing a whistle goers outside vehicle, accordingly
Alarm sound I；If not being the most true, main control singlechip does not the most send any signal, and corresponding display and alarm module do not ring
Should.
When sensor III has also monitored human body signal, having signal to export, now main control singlechip may receive arrival
Three road signals of autobiography sensor I, sensor II and sensor III, through simple median filtering algorithm, it is judged that sensor I, biography
Whether the signal that sensor II and sensor III monitor is true, if being true, then sends corresponding control signal to display and report
Alert module, this display and alarm module have pedestrian in the range of Che Nei driver's voice message notes 3 meters of left side, ring goers outside vehicle
Flute alarm, corresponding alarm sound III；If sensor I and sensor II signal are true, sensor III is not true, then send out
Go out corresponding control signal, to display and alarm module, this display and alarm module, Che Nei driver's voice message noticed left side 6
Pedestrian is had in the range of meter, alarm that goers outside vehicle is blown a whistle, corresponding alarm sound II；If sensor I signal is true, pass
Sensor II and sensor III are not true, then send corresponding control signal to display and alarm module, this display and alarm module
Pedestrian is had in the range of Che Nei driver's voice message is noted 10 meters of left side, alarm that goers outside vehicle is blown a whistle, report to the police accordingly
Prompt tone I；If not being the most true, main control singlechip does not the most send any signal, and corresponding display and alarm module are not responding to.
When main control module monitors manually releasing alarm signal or the Sensor monitoring module that manual control module sends
When monitoring is less than human body signal, system reset, reports to the police and orientation display releases.
It it is the flow chart of this enforcement use-case shown in Fig. 2.As in figure 2 it is shown, after system brings into operation, first it is carried out initially
Change, then read the signal of each sensor, and determine whether human body signal, if without, constantly it is read out, if there being people
Body signal, determines it is the signal of which road sensor, thus has carried out orientation (such as: front, rear, left and right) and judged and danger etc.
The judgement of level；After judging orientation and the danger classes of human body, single-chip microcomputer then sends corresponding signal in display and alarm module
Alarm drive circuit and display driver circuit, thus realize audio alert prompting；When system monitoring is to manual control module
After the manually releasing alarm signal sent, system then reenters the monitoring to sensor signal, so moves in circles.
Depending in the present invention, the number of sensor group is by needs, the installation site of sensor group may be mounted at pure electronic vapour
Position, left and right before and after on car.
Claims (6)
1. a pure electric automobile passerby based on multi sensor combination monitors based reminding method, it is characterised in that include following step
Rapid:
(1) region affecting pedestrains safety is decomposed into multiple danger classes according to the far and near design of distance automobile；
(2) select multiple human bioequivalence sensor that the multiple danger classes regions described in (1) are combined monitoring, each danger
Danger hierarchical region at least uses a human bioequivalence sensor to be monitored；The monitoring distance of each human bioequivalence sensor and its
The region of the danger classes monitored is corresponding and is configured by the regulation of sensitivity；
(3) data obtaining the monitoring of multiple human body sensors process, it is judged that the danger classes in region residing for pedestrian；
(4) each danger classes employing alternative sounds is carried out voice message and warning:
Described human bioequivalence sensor passes selected from infrared sensor, pyroelectric sensor, human body detection sensor, human body proximity
Sensor, human motion sensor；
Described voice message in (4th) step is for Che Nei driver, and described alarm needle is to goers outside vehicle.
A kind of pure electric automobile passerby based on multi sensor combination the most according to claim 1 monitors based reminding method, its
It is characterised by: the multiple human bioequivalence sensors described in step (2) are placed in position the highest outside car body, and each biography
The monitored area of sensor all becomes fan-shaped.
A kind of pure electric automobile passerby based on multi sensor combination the most according to claim 1 and 2 monitors based reminding method,
It is characterized in that: the multiple human bioequivalence sensors described in step (2) are respectively arranged in the front side outside car body, left side and the right side
Side.
4. pure electric automobile passerby based on multi sensor combination monitors a system for prompting, including Sensor monitoring module, letter
Number processing module, main control module, display and alarm module, communication module, manual control module, it is characterised in that:
Described Sensor monitoring module includes multiple human bioequivalence sensor, by regulating the spirit of each human bioequivalence sensor
Sensitivity realizes different monitored areas, and described human bioequivalence sensor is respectively arranged position the highest outside car body；
Each human bioequivalence sensor in described Sensor monitoring module is all connected by the signal of telecommunication with signal processing module；
Described main control module, receives the information of the multiple human bioequivalence sensors after signal processing module processes, identifies pedestrian side
Position, it is judged that danger classes, and send corresponding control signal to display and alarm module；
Described display and alarm module receive the instruction of main control module, show the concrete orientation of passerby, and according to different danger classes
Send alternative sounds prompting and report to the police；
Described display and alarm module to Che Nei driver's voice message, alarm that goers outside vehicle is blown a whistle.
A kind of pure electric automobile passerby based on multi sensor combination the most according to claim 4 monitors system for prompting, its
It is characterised by: described human bioequivalence sensor is selected from infrared sensor, pyroelectric sensor, human body detection sensor, human body
Proximity transducer, human motion sensor.
A kind of pure electric automobile passerby based on multi sensor combination the most according to claim 4 monitors system for prompting, its
It is characterised by: described main control module is selected from single-chip microcomputer, DSP, PLC, ARM.
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| CN201310242013.5A CN103332144B (en) | 2013-06-18 | 2013-06-18 | Pure electric automobile passerby based on multi sensor combination monitors based reminding method and system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104202720A (en) * | 2014-08-19 | 2014-12-10 | 惠州Tcl移动通信有限公司 | Method and system for realizing position monitoring alarm |
| CN105438063A (en) * | 2015-11-16 | 2016-03-30 | 北京长安汽车工程技术研究有限责任公司 | Warning system and method |
| CN106114352B (en) * | 2016-06-30 | 2022-02-11 | 智车优行科技（北京）有限公司 | Warning method and device based on electric vehicle and vehicle |
| CN109927626B (en) * | 2017-12-15 | 2021-07-20 | 宝沃汽车（中国）有限公司 | Target pedestrian detection method and system and vehicle |
| CN110979176A (en) * | 2019-11-28 | 2020-04-10 | 惠州市德赛西威汽车电子股份有限公司 | Vehicle-mounted warning method and system for reminding pedestrians |
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| JPH031202A (en) * | 1989-05-29 | 1991-01-07 | Daiwa Giken Kk | Device for preventing collision to road working vehicle |
| DE102005035040A1 (en) * | 2004-08-06 | 2006-04-13 | Kerstin Oppermann | Collision avoidance system for motor vehicle with quiet drive has acoustic and/or optical signal generator that generates acoustic and/or optical warning system independently of driver's wishes |
| KR101019608B1 (en) * | 2008-06-24 | 2011-03-07 | 주식회사 경신 | A prevention method for car crash |
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| DE102010050875A1 (en) * | 2010-11-09 | 2012-05-10 | Daimler Ag | Vehicle is provided with warning device and control unit, where warning device outputs warning signal in surroundings of vehicle located object |
| CN202782925U (en) * | 2012-06-27 | 2013-03-13 | 合肥佳瑞林电子技术有限公司 | Automobile reversing radar device |
| CN202847552U (en) * | 2012-10-27 | 2013-04-03 | 长安大学 | Vehicle back up anti-collision system based on digital signal processor (DSP) |
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